CVE-2023-53018

MEDIUM

Linux Kernel 6.0-6.1.9 - Use-After-Free in Bluetooth HCI Connection Handling

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix memory leaks When hci_cmd_sync_queue() failed in hci_le_terminate_big() or hci_le_big_terminate(), the memory pointed by variable d is not freed, which will cause memory leak. Add release process to error path.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/f51a825b9f730a782aa768454906b4468e67b667

Patch

https://git.kernel.org/stable/c/3aa21311f36d8a2730c7ccef37235e951f23927b

Scores

CVSS v3 5.5

EPSS 0.0014

EPSS Percentile 3.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (8)

Linux/Linux < 6.0

Linux/Linux 6.0

Linux/Linux 6.1.9 - 6.1.*

Linux/Linux 6.2

Linux/Linux eca0ae4aea66914515e5e3098ea051b518ee5316 - 3aa21311f36d8a2730c7ccef37235e951f23927b

Linux/Linux eca0ae4aea66914515e5e3098ea051b518ee5316 - f51a825b9f730a782aa768454906b4468e67b667

linux/linux_kernel 6.2 rc1 (4 CPE variants)

linux/linux_kernel 6.0 - 6.1.9

Published Mar 27, 2025

Tracked Since Feb 18, 2026